三百對雙胞胎新生兒之回顧性研究

A Retrospective Analysis of 300 Consecutive Sets of Twins Including In Vitro Fertilization Babies

賴秉鈞(Ping-Chiun Lai) ； 滕儒錚(Ru-Jeng Teng) ； 何美美(Mei-Mei Ho)

《慈濟醫學雜誌》 6卷1期 (1994/03) Pp. 25-31

https://doi.org/10.6440/TZUCMJ.199403.0025

摘要

Three hundreds twin pregnancies were delivered at Provincial Tao-Yuan General Hospital between May 1,1983 and July 31, 1992. There were 16,657 singleton pregnancies and 15 triplet pregnancies during the same period, giving a rate of 1.77% (300/16,972) in twin pregnancies. The male/female ratio was 0.974 (296/304). The frequency of preterm birth (＜37 weeks), low birth weight (＜2,500 g), and very low birth weight (＜1,500 g) were 38.7%, 51.7%, and 7.8%, respectively. The intertwine difference in birth weight was 10.4±9.0%. The neonatal mortality rate (per 1,000) was 47. All neonatal deaths were belonged to birth weights of less than 1,500 g and gestational age of less than 32 weeks. There was a higher mortality rate for the second twins, weighing 1,000 to 1,499 g, delivered vaginally (p＜0.05). From out study, Cesarean section may be the better method of delivery, if the gestational age is less than 32 weeks or the expected fetal weight is less than 1,500 g. There was neither significant difference in the mean birth weights between male and female twins, nor in the Apgar scores at 1 and 5 minutes between the first and second twins. However, male twin pairs of like sex had shorter gestations, shorter body lengths and lighter birth weights as compared with other twin pairs. The rate of Cesarean section in the first 3-year period (1983-1985) was 44.2% versus 77.2% in the last 3-year period (1989-1991), which reflect the present attitude of our obstetricians in managing twin pregnancies.

關鍵字

雙胞胎 ； 懷孕週數 ； 週產期預後

並列摘要

Three hundreds twin pregnancies were delivered at Provincial Tao-Yuan General Hospital between May 1,1983 and July 31, 1992. There were 16,657 singleton pregnancies and 15 triplet pregnancies during the same period, giving a rate of 1.77% (300/16,972) in twin pregnancies. The male/female ratio was 0.974 (296/304). The frequency of preterm birth (＜37 weeks), low birth weight (＜2,500 g), and very low birth weight (＜1,500 g) were 38.7%, 51.7%, and 7.8%, respectively. The intertwine difference in birth weight was 10.4±9.0%. The neonatal mortality rate (per 1,000) was 47. All neonatal deaths were belonged to birth weights of less than 1,500 g and gestational age of less than 32 weeks. There was a higher mortality rate for the second twins, weighing 1,000 to 1,499 g, delivered vaginally (p＜0.05). From out study, Cesarean section may be the better method of delivery, if the gestational age is less than 32 weeks or the expected fetal weight is less than 1,500 g. There was neither significant difference in the mean birth weights between male and female twins, nor in the Apgar scores at 1 and 5 minutes between the first and second twins. However, male twin pairs of like sex had shorter gestations, shorter body lengths and lighter birth weights as compared with other twin pairs. The rate of Cesarean section in the first 3-year period (1983-1985) was 44.2% versus 77.2% in the last 3-year period (1989-1991), which reflect the present attitude of our obstetricians in managing twin pregnancies.

並列關鍵字

twin ； birth weight ； gestational age ； perinatal outcome